The Raptor System I is the only 2 x 15" dual opposed driver subwoofer that features an up-firing/down-firing configuration ever offered commercially. The advantages of a subwoofer that's configured this way are explained in detail on our website Q&A page.

The Raptor System I consists of one Raptor Module, loaded with two BHT-15 long throw proprietary subwoofer drivers and the all-new A-5K amplifier. The system has a customized signal shaper built in to optimize the system performance, whether the system is used for music or movie soundtrack playback.

Your Home Theater space will be immediately enhanced by the addition of the Raptor's impeccable craftsmanship and unique high-tech design. Specifically designed to fit snugly into a corner for optimal performance in a tiny footprint of less than 3 square feet, and, with the A-5K amplifier taking up only 2RU of your hardware rack and weighing in at a mere 30 pounds, Raptor is as easy to integrate as it is to look at. 


Unrivaled low end reproduction and value

  • $224.39 per liter of displacement
  • Vibration-free operation, courtesy of the dual opposed driver vibration cancellation
  • Extremely durable, low maintenance powder coat, stainless steel and bamboo finishes
  • Satin nickel 5-way binding posts on every Raptor Module
  • Wide bandwidth, high output from <10 Hz to crossover in most rooms, signal chain permitting
  • Stainless steel legs are leveling and suitable for any surface

Technical specifications

Dual BHT-15 drivers

  • 4.9 liters of displacement from each driver, 9.8 liters total
  • 2.5 inches of peak-to-peak excursion
  • Three aluminum shorting rings per driver
  • 3 inch (75 mm) aluminum voice coil former
  • 4 layer copper voice coil

NEW A-5K-R Class TD Amplifier

  • 5,000W peak into 4 ohms, bridged mode, as the Raptor System I is configured
  • THD @ 1k Hz @ 1dB <clipping = 0.05%
  • Frequency response: 4-22k Hz, +0dB, -3dB, -6dB @ 2.5 Hz
  • Selectable gain: 23, 26, 29, 32, 35, 38, 41 in dB
  • Input sensitivity: 4.5V/2.2V/1.1V
  • High efficiency
  • Extensive protection circuitry

User controls (hardware and software)

  • Front panel gain attenuation
  • Rear panel mode and gain range dip switches
  • custom curve on/off option

Connectors and cables

  • 10 Ga (recommended) speaker wire (not included)
  • XLR cable from upstream signal chain to A-5K input (not included)


  • Binding posts and Speakon outputs on the A-5K
  • Satin nickel 5-way binding posts on the Raptor Module
  • XLR inputs
  • XLR out/through

Electrical requirements

  • Input voltage: 100-120 VAC 50-60Hz (recommended 20A dedicated line)
  • Maximum power when operating: 5,000W peak
  • 60W at idle

Size and weight

  • Width: 22.5 inches (571.5 mm) diameter
  • Height: 32.25 inches (819 mm)
  • Weight: 105 pounds (47.75 kg)

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Bossobass Raptor System One

  • $2,599.00

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Tags: subwoofers